from static isolated information silos to sources of content and interaction

characterised by open communication, decentralisation of authority, freedom to share, and “the market as a conversation”

What is Web 2.0?

7.
Social Software How many people have a blog? Personal? Professional? How many people use Flickr? How many people use Delicious? How many people use a wiki? How many people subscribe to podcasts? How many people use an aggregator?